Fatal error: Uncaught Error: Interface "OAuth2\IOAuth2GrantCode" not found in /home/gingerbrup/rappelapi/vendor/friendsofsymfony/oauth2-php/server/examples/pdo/lib/OAuth2StoragePdo.php:18 Stack trace: #0 {main} thrown in /home/gingerbrup/rappelapi/vendor/friendsofsymfony/oauth2-php/server/examples/pdo/lib/OAuth2StoragePdo.php on line 18